Surface coating apparatus for titanium alloy wire

By controlling the bending of titanium alloy wire through pre-bending and straightening mechanisms, combined with precise coating delivery and acetone treatment, the problems of coating cracks and harmful gas emissions during the coating process are solved, achieving efficient coating and safe operation.

CN117798026BActive Publication Date: 2026-07-21XIANYANG TIANCHENG TITANIUM IND
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XIANYANG TIANCHENG TITANIUM IND
Filing Date
2024-02-20
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

During the coating process on titanium alloy wire, the cured molybdenum disulfide lubricant is prone to cracking, and it is difficult to control the matching of the bending degree and the winding size, resulting in inconsistent bending degree. This affects the protective performance of the application site of the cured molybdenum disulfide lubricant during the winding process. Furthermore, the bending degree of the titanium alloy wire is difficult to adjust during the winding process, leading to cracks in the coating.

Method used

The titanium wire is pre-bent using a pre-bending mechanism and a straightening mechanism. The bending amplitude of the titanium wire is controlled by bending wheels and straightening rollers, and the coating is precisely delivered by a peristaltic pump. The coating is dried by an induction heating coil. The position of the bending wheel is adjusted using sawtooth strips and sawtooth blocks to improve accuracy, and an acetone treatment mechanism is used to reduce the emission of harmful gases.

Benefits of technology

It reduces the likelihood of coating cracks, improves the integrity of the coating, and ensures operational accuracy and safety by treating acetone exhaust gas at low cost.

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    Figure CN117798026B_ABST
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Abstract

The application discloses a surface coating device for titanium alloy wire, which comprises a device shell and organic glass doors, both of which are rotatably installed on the surface of the device shell; the device shell is provided with titanium wire; the side of the device shell is provided with a straightening mechanism with multiple sets of transverse straightening rollers and longitudinal straightening rollers; the inside of the device shell is provided with a pre-bending mechanism, which comprises a bending wheel and a pre-bending roller; the inside of the device shell is provided with a coating mechanism with a peristaltic pump, a coating cylinder and a coating sleeve; the side of the device shell is fixedly installed with a connecting seat, on which a take-up traction assembly and a take-up assembly are fixedly installed; the inside of the device shell is fixedly installed with a pay-off traction assembly; and the inside of the device shell is provided with an acetone treatment mechanism. The surface coating device for titanium alloy wire can reduce the amplitude of secondary bending of titanium wire when the titanium wire is wound, so as to reduce the probability of cracks on the surface coating of the titanium wire.
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